[INFO] cloning repository https://github.com/DanSnow/rust-cap-ng-sys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DanSnow/rust-cap-ng-sys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanSnow%2Frust-cap-ng-sys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanSnow%2Frust-cap-ng-sys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8bdfd0b6e5000f1fd57db04222772bd90c99111c
[INFO] checking DanSnow/rust-cap-ng-sys against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDanSnow%2Frust-cap-ng-sys" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DanSnow/rust-cap-ng-sys on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DanSnow/rust-cap-ng-sys
[INFO] finished tweaking git repo https://github.com/DanSnow/rust-cap-ng-sys
[INFO] tweaked toml for git repo https://github.com/DanSnow/rust-cap-ng-sys written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/DanSnow/rust-cap-ng-sys already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2a5c3acab5e6754f549014ca8d25252fa892365b0380d0d08758fc658e3f6d5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f2a5c3acab5e6754f549014ca8d25252fa892365b0380d0d08758fc658e3f6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2a5c3acab5e6754f549014ca8d25252fa892365b0380d0d08758fc658e3f6d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2a5c3acab5e6754f549014ca8d25252fa892365b0380d0d08758fc658e3f6d5", kill_on_drop: false }`
[INFO] [stdout] f2a5c3acab5e6754f549014ca8d25252fa892365b0380d0d08758fc658e3f6d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05726817a562ba79fa3af94d4a950ecf65ecb4c424dda60071816806cd45c324
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "05726817a562ba79fa3af94d4a950ecf65ecb4c424dda60071816806cd45c324", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling cap-ng-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: failed to run custom build command for `cap-ng-sys v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cap-ng-sys-c51703ae21b3893e/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Failure { command: "\"pkg-config\" \"--libs\" \"--cflags\" \"libcap-ng\" \"libcap-ng >= 0.7.0\"", output: Output { status: ExitStatus(ExitStatus(256)), stdout: "", stderr: "Package libcap-ng was not found in the pkg-config search path.\nPerhaps you should add the directory containing `libcap-ng.pc'\nto the PKG_CONFIG_PATH environment variable\nNo package 'libcap-ng' found\nPackage libcap-ng was not found in the pkg-config search path.\nPerhaps you should add the directory containing `libcap-ng.pc'\nto the PKG_CONFIG_PATH environment variable\nNo package 'libcap-ng' found\n" } }', build.rs:9:10
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x563367f42070 - std::backtrace_rs::backtrace::libunwind::trace::hec7eaac9435d3512
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x563367f42070 - std::backtrace_rs::backtrace::trace_unsynchronized::h42791b8fa12b7daa
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x563367f42070 - std::sys_common::backtrace::_print_fmt::h3da3ebe04fb665a8
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x563367f42070 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::he40bcdde3c4491cd
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x563367f602ef - core::fmt::write::h2c729149c08098ab
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x563367f3fa85 - std::io::Write::write_fmt::h28e0f2f58b8d7b7e
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/io/mod.rs:1578:15
[INFO] [stderr]      6:     0x563367f43d4b - std::sys_common::backtrace::_print::h7f0223b1e3d898fc
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x563367f43d4b - std::sys_common::backtrace::print::h58edd634a14c2d4c
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x563367f43d4b - std::panicking::default_hook::{{closure}}::h71657a7591430164
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x563367f4382d - std::panicking::default_hook::hcdf4eb5db072c85b
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x563367f442fd - std::panicking::rust_panic_with_hook::hfb91e961ffb5b8e0
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x563367f43ef7 - std::panicking::begin_panic_handler::{{closure}}::h984d540e84311150
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x563367f4250c - std::sys_common::backtrace::__rust_end_short_backtrace::h32354258ff2aecd1
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x563367f43e59 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x563367f04071 - core::panicking::panic_fmt::he3827412471ccbb1
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/panicking.rs:92:14
[INFO] [stderr]     15:     0x563367f04103 - core::result::unwrap_failed::h6e66654d198da7bd
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/result.rs:1355:5
[INFO] [stderr]     16:     0x563367f04935 - core::result::Result<T,E>::unwrap::h73830c14c28afdfd
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/result.rs:1037:23
[INFO] [stderr]     17:     0x563367f04b1a - build_script_build::main::h823b6ef71dd9967d
[INFO] [stderr]                                  at /opt/rustwide/workdir/build.rs:6:5
[INFO] [stderr]     18:     0x563367f04a3b - core::ops::function::FnOnce::call_once::h40c1095dd0590967
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     19:     0x563367f0499e - std::sys_common::backtrace::__rust_begin_short_backtrace::hd3a32c9ed94a8ef8
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     20:     0x563367f04891 - std::rt::lang_start::{{closure}}::hbd72d387f06cd930
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/rt.rs:66:18
[INFO] [stderr]     21:     0x563367f446fa - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hd5953dadf0bc8f54
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     22:     0x563367f446fa - std::panicking::try::do_call::h23b369f1996fb7d4
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:379:40
[INFO] [stderr]     23:     0x563367f446fa - std::panicking::try::he017ee9ed6bce192
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panicking.rs:343:19
[INFO] [stderr]     24:     0x563367f446fa - std::panic::catch_unwind::hbfb892340a78b30d
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/panic.rs:431:14
[INFO] [stderr]     25:     0x563367f446fa - std::rt::lang_start_internal::hce6e4c0ce56abb51
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/rt.rs:51:25
[INFO] [stderr]     26:     0x563367f04870 - std::rt::lang_start::h6777311e30508142
[INFO] [stderr]                                  at /rustc/4fa76a4a7742bb9c1febe33019f5a9e7e4839a65/library/std/src/rt.rs:65:5
[INFO] [stderr]     27:     0x563367f04b9c - main
[INFO] [stderr]     28:     0x7f2439f940b3 - __libc_start_main
[INFO] [stderr]     29:     0x563367f0476e - _start
[INFO] [stderr]     30:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "05726817a562ba79fa3af94d4a950ecf65ecb4c424dda60071816806cd45c324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05726817a562ba79fa3af94d4a950ecf65ecb4c424dda60071816806cd45c324", kill_on_drop: false }`
[INFO] [stdout] 05726817a562ba79fa3af94d4a950ecf65ecb4c424dda60071816806cd45c324